[sdiy] Novation peak NCOs

[Neil Johnson]

Hi,

Phillip wrote:
> Eric Brombaugh wrote:
>>
>>
>> https://www.digikey.com/product-detail/en/lattice-semiconductor-corporation/ICE5LP1K-SG48ITR50/220-2064-1-ND/5358105
>
>
> Interesting part. Do you know what they mean by "hardened" I2C and
> SPI interfaces?

It means that there are dedicated hardware blocks on the die for these
functions rather than using generic logic blocks to synthesise them.
The general name is "hard macro" and larger FPGAs have hard macros for
things like ARM or PowerPC CPUs, DSPs, RAM blocks, etc.

Neil
--
http://www.njohnson.co.uk